<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <script src="https://s3.pstatp.com/cdn/expire-1-M/jquery/3.1.1/jquery.min.js"></script>
  <link href="static/bootstrap-3.4.1-dist/css/bootstrap.min.css" rel="stylesheet">
  <script src="static/bootstrap-3.4.1-dist/js/bootstrap.min.js"></script>
  <title>登录失败页面</title>
</head>
<body>
<div style="width:50%;height:50%;position:absolute;top:25%;left:35%;">
  <div style="width: 580px;vertical-align: middle;text-align: center;">
    <h2 >登录失败！</h2>
  </div>
</div>
<div id="errorTips" style="text-align: center;font-size: 18px;color: red"></div>
</body>
</html>
<script>
  $(function() {
    var $name = $('input[name=username]');
    var $password = $('input[name=password]');
    $('#btnSubmit').click(function() {
      if($name.val() != '' && $password.val() != '') {
        Jquery_AJAX_GET_demo();
      }
    });
    //使用 $.ajax()   方法发送请求
    function Jquery_AJAX_GET_demo() {
      $.ajax({
        type: "get",
        contentType: "application/json",
        url: 'http://localhost:8080/week13_war/login.do',
        dataType: "json",
        data: {
          username: $('input[name=username]').val(),
          password: $('input[name=password]').val()
        },
        async: "true",
        success: function (result) {
          if (result.status == 'error') {
            $('#errorTips').text("用户名或密码错误!");
          } else if (result.status == 'success') {
            window.location.href= "http://localhost:8080/week13_war/login_Result.jsp";
          }
        },
        error: function (e) {
          alert("error")
        }
      })
    }
    //使用 $.ajax() 的 post 方法 发送请求
    function Jquery_AJAX_POST_demo() {
      $.ajax({
        type: "post",
        contentType: "application/x-www-form-urlencoded",
        url: 'http://localhost:8080/week13_war/login.do',
        dataType: "json",
        data: $('#myForm').serialize(),
        success: function(result) {
          if(result.status == 'error') {
            $('#errorTips').text("用户名或密码错误!");
          } else if(result.status == 'success') {
            window.location.href = "http://localhost:8080/week13_war/login_Result.jsp";
          }
        },
        error: function(e) {
          alert("error")
        }
      })
    }
  })
</script>